The pyknometric density of sodium chlori...

The pyknometric density of sodium chloride crystal is `2.165xx10^(3)" kg m"^(-3)` while its X-ray density is `2.178xx10^(3)"kg m"^(-3)`. The fraction of unoccupied sites in sodium chloride crystal is

`5.96`

`5.96xx10^(-2)`

`5.96xx10^(-1)`

`5.96xx10^(-3)`

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The pyknometric density of sodium chloride crystal is 2.165xx10^(3)kg m^(-3) while its X ray density is 2.178xx10^(3)kg m^(-3) the fraction of unoccupied sites in NaCl crystal is

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